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Plasmonic Metasurface for Directional and Frequency-Selective Thermal Emission

Abstract : Incandescent filaments and membranes are often used as infrared sources despite their low efficiency, broad angular emission, and lack of spectral selectivity. Here, we introduce a metasurface to control simultaneously the spectrum and the directivity of blackbody radiation. The plasmonic metasurface operates reliably at 600 °C with an emissivity higher than 0.85 in a narrow frequency band and in a narrow solid angle. This emitter paves the way for the development of compact, efficient, and cheap IR sources and gas detection systems.
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Submitted on : Tuesday, June 21, 2016 - 6:03:12 PM
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D Costantini, Antoine Lefebvre, A.-L Coutrot, I Moldovan-Doyen, J.-P Hugonin, et al.. Plasmonic Metasurface for Directional and Frequency-Selective Thermal Emission. Physical Review Applied, American Physical Society, 2015, 4 (1), pp.014023. ⟨10.1103/PhysRevApplied.4.014023⟩. ⟨hal-01335152⟩



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